Developer apps cydia launch release Binary Clock 7, This tweak works with iOS 7 or higher. Binary Clock 7 1.0.4-3 tweak for allows you replace the Lock Screen’s digital clock with a binary clock. Additionally the tweak comes with three bundled themes: 3D, Cat, and Default, but you can make your own and place them in the directory displayed in the preferences pane to apply them. After installation you can configure options from Settings app.